﻿using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;

namespace WindowsFormsAppDemo
{
    class HttpRequest
    {
        public static string PostUrl(string url, string postData)
        {
            string result = "";

            try
            {

                HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);

                req.Method = "POST";

                req.ContentType = "application/x-www-form-urlencoded";

                req.Timeout = 5000;//设置5秒超时时间

                byte[] data = Encoding.UTF8.GetBytes(postData);

                req.ContentLength = data.Length;

                using (Stream reqStream = req.GetRequestStream())
                {
                    reqStream.Write(data, 0, data.Length);

                    reqStream.Close();
                }

                HttpWebResponse resp = (HttpWebResponse)req.GetResponse();

                Stream stream = resp.GetResponseStream();

                //获取响应内容
                using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
                {
                    result = reader.ReadToEnd();
                }
                return result;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                return result;
            }

        }

    }
}
